Dudley Moore

Character: Himself

Lily Tomlin

Character: Herself

Jim Henson

Character: Kermit / Rowlf / Link Hogthrob / The Swedish Chef / Waldorf

Frank Oz

Character: Miss Piggy / Fozzie Bear / Animal / Sam Eagle

Jerry Nelson

Character: Lew Zealand / Pops / Julius Strangepork /Floyd Pepper (voice)

Richard Hunt

Character: Beaker / Janice / Scooter / Sheriff / Statler (voice)

Dave Goelz

Character: The Great Gonzo / Joe / Beauregard / Fireman (voice)

Steve Whitmire

Character: Rizzo the Rat / The Scarlet Pimpernel / Jed (voice)

Kathryn Mullen

Character: Gaffer / Muppet Performer (voice)

Louise Gold

Character: Popcorn Girl (voice)